Abstrak Desa Kemujan, yang terletak di Kecamatan Karimunjawa, memiliki potensi besar dalam memanfaatkan limbah sabut kelapa sebagai bahan baku biobriket. Dengan luas wilayah 162,1 km² dan populasi 3.391 jiwa, desa ini keberagaman budaya suku kaya. Limbah terdapat Kemujan pada saat belum dimanfaatkan secara optimal. Hal terjadi karena minimnya kesadaran pengetahuan masyarakat sekitar untuk mengolah tersebut. Sabut merupakan biomassa dapat alami pembuatan Sehingga pengabdian melalui...

Pengabdian ini dilaksanakan di UMKM Tahu Siip Pariyem Desa Sumurrejo, Kecamatan Gunungpati, Kota Semarang, Jawa Tengah. Proses produksi tahu menghasilkan limbah cair dan padat yang dapat mencemari lingkungan serta menimbulkan bau tidak sedap jika segera diolah atau dibuang dengan benar. Masyarakat Sumurrejo biasanya memanfaatkan ampas hanya sebagai pakan ternak. Walaupun sudah menjadi sisa tahu, masih memiliki kandungan protein, karbohidrat, serat cukup tinggi. bertujuan untuk mengolah...

Abstract Climate justice is an increasingly relevant topic in today’s world, as climate change and its impacts continue to affect vulnerable communities disproportionately. This research aims examine the concept of justice, various dimensions, challenges opportunities associated with achieving it. The paper begins by defining which based on principle that those who are least responsible for ones most affected It argues should be viewed not only a moral issue but also legal political one....

Abstract This research paper focuses on the concept of green economics policy as a means to achieve environmental sustainability. The begins by defining an approach that promotes sustainable economic growth while also protecting environment. It argues shift towards economy is necessary address current environmentalchallenges facing planet. examines key elements policy,which include promoting renewable energy sources, investing in infrastructure, supporting agriculture practices, and...

Abstract Water pollution is still a serious problem in Indonesia. One of the pollutants that contribute to water dye. type dye often used textile industry methylene blue. There are several methods for treating waste, one which ozonation method. Ozonation chemical oxidation process remove color organic dyes. The catalytic can increase ability ozone sewage treatment. catalyst H 2 O decompose into OH radicals. radicals have higher reduction potential than other oxidizing agents. research with...

Abstract The rapid development of industrial sector worldwide has contributed greatly to environmental pollution. In many countries, surface and groundwater are polluted by wastewater effluent, such as synthetic dyes. Dyes difficult decompose naturally cause disruption aquatic ecosystems. To eliminate risks associated with the presence dyes, photocatalytic-adsorption is still considered most environmentally friendly effective for dye removal. this work, a novel biochar-ZnO composite was...

The objective of this work was to study the homogeneous kinetics pectin extraction Balinese orange peel conducted using Microwave Assisted Extraction (MAE). experimental data showed that power increases (180 600 W), so yield also (12.2 30.6 % w/w). Moreover, time is longer (10, 15, and 20 min) (8.8, 20.2, 40.5). At after min (25 30 min), starts decrease (36.6 22.9). This phenomena shows degradation. Therefore, a series reaction, i.e. calculation result pseudo model can quantitatively...

The tofu industries in Indonesia produce a considerable amount of liquid waste. Most these do not treat waste properly. Liquid is channeled directly to the nearest water stream, and thus values COD, BOD TSS are considerably high, which can damage aquatic ecosystems. According Indonesian government rule (Permen LH no.5/2014), maximum levels 300 mg/L, 150 200 mg/L. One alternative methods reduce three parameters ozonation method. Ozone able break down organic components well because its strong...

The development of the industrial sector in Indonesia has increased very rapidly, especially textile industry. increasing number industries an impact on amount waste. Congo red dye is one dyes that are often used Industrial waste needs to be processed so as not damage environment because substances contained harmful environment. One way can neutralize ozone. Ozone many fields such oxidation inorganic/organic compounds and disinfection (or control pathogens). H2O2 catalyst accelerate...

Pencemaran minyak di wilayah perairan akibat tumpahan merupakan masalah lingkungan yang sangat penting. Tumpahan perairan, terutama kecelakaan skala besar , telah memberikan ancaman dan menyebabkan kerusakan luas. Kontaminan dapat terakumulasi didalam tubuh organisme laut berbahaya bagi manusia memakannya. Untuk menanggulangi pencemaran ini, terdapat beberapa cara dilakukan salah satunya adalah bioremediasi proses pemulihan air dengan memanfaatkan mikroorganisme sebagai bakteri pemecah...

Escherichia coli bacteria which lead to contamination of drinking water in Indonesia, disinfected using ozone technology and UV rays this research, particularly for solving the problem supply. The research was carried out by variation samples (tap AMDK) presence or absence on research. All results, are related number colonies E. analyzed method TPC (Total Plate Count). Based results after disinfection show a significant decline either alone, both, at time 3 minutes. most optimal process is...

Abstract tert-Butanol is widely used as a main solvent in the industries. The high purity of tert-butanol required to fulfil industrial standard for solvent. Unfortunately, separation from water special distillation named extractive due azeotropic point mixture. Thus, entrainer third component should be break point. Glycerol one potential green distillation. simulation using glycerol tert-butanol/water mixture was conducted this study. Aspen Plus Process Simulator V.10 simulate feasibility...

Nyamplung (Calophyllum inophyllum) oil contains high free fatty acid (FFA) that is 21.62%. can be utilized as raw material for biodiesel production. Microwave a method of heating used intensively to speed up the production process. Ionic liquid has catalytic activity, selectivity, recycled and environmentally friendly. This study learned about esterification nyamplung with ionic 1-Butyl-3-methylimidazolium hydrogen sulphate (BMIMHSO4) catalyst microwave-assisted. The purpose this obtain...

Penentuan metode degradasi minyak bumi yang tepat sangat diperlukan untuk mengatasi pencemaran tumpahan khususnya di air laut Indonesia. Metode limbah digunakan adalah secara kimia dan biologi yaitu menggunakan surfaktan nonionik (Tween 80 Brij 35) bioremediasi bakteri Pseudomonas aeruginosa.Variabel pada dengan variasi konsentrasi 0.0000, 0.0025, 0.0050, 0.0075, 0.0100, 0.0125, 0.0150, 0.0175, 0.0200, 0.0225, 0.0250, 0.0275, 0.0300, 0.0350, 0.0400 % (v/v) pengadukan menguji stabilitas...

This study was aimed to determine the optimum conditions of flour bleaching with ozonation techniques and compare effect chlorination results. The process is carried out in batch system. research procedure vary time 0, 30, 60, 90, 120, 150, 180 minutes. Variation pH 4, 6, native flour, 8, 10 1: 3 (b / v) concentration against water. Ozone 0.325 g ozone hour. addition chlorine soaked for minutes 0.325% (w w) theconcentrationofflour towaterthatis1: 3.The resultsobtainedwerecarriedout by means...

Abstract The research was carried out by synthesizing oleozone from a mixture of olive oil and virgin coconut with an ozonation technique for 30 hours, which aims to determine the optimum conditions in determining ozonated quality parameters, ratio 1: 1, 2 2: 1 v / v. As Olnutzone control samples were taken at 0, 5, 20 hours ozonation. Ozonation ozone generator flow rate 0.325 g hr. reaction are maintained temperature range 20-21oC. test results is done iodine method, acid number, FT-IR,...

In this research, wastewater containing amoxicillin antibiotic was treated using green technology “ozonation”. The research carried out with allowance for time variation (15, 30, 45, and 60 minutes), pH of (acidic, neutral, alkaline), ozone generator voltage (75, 150, 225 Volt). in artificial. concentration 50 ppm. Based on experimental result, the best condition (containing antibiotic) ozonation alkaline conditions ≈ 10. percent degradation 86.78 % a final 6.61 variations affect removal...

Abstract The tofu industry is one of the industries that growing rapidly in Indonesia, which has an impact on abundance liquid waste it produces. In general, from a Biological Oxygen Demand (BOD) 5,000–10,000 mg/L, Chemical (COD) 7,000–12,000 Total Suspended Solid (TSS) 6,000–8,000 and pH around 4-5. Based Regulation Minister Environment Forestry Republic Indonesia No. 5 2014, states maximum level COD 300 BOD 150 TSS 200 6-9. Several methods have been carried out previous research for...

Abstract Sugar palm fruit is a functional food ingredient but its utilization hindered by high-water content, that affects shape and color. To address this issue, an innovation solution emerged to process it into flour extend shelf life. The sugar exhibiting brownish color whiteness degree (L*) below 80 indicate deviation from standards. Hence, bleaching needed enhance whiteness. This procedure involves ozonation with varying H 2 O concentrations (2%, 3%, 4%) over durations of 30, 60, 90...

Water is a very important need for human life. The clean water has increased due to changes in people's behavior during the COVID-19 pandemic. Despite increasing pandemic, access it remains unequal. One of areas with poor sources Klumprit Village, Nusawungu, Cilacap, Central Java, where cloudy, yellow color, and rustic smell. According Regulation Ministry Health Republic Indonesia Number 32 2017, that suitable sanitation needs odorless, tasteless, not cloudy or low level turbidity. Ozone an...

Milk is classified as an animal food that easily damaged because it contains high nutrients and water, so ideal for microbial growth. The common milk preservation technique pasteurization. However, in pasteurization, heat-resistant bacteria are still able to survive. This study aims find Total Plate Counternative methods of processing cow's milk, namely by innovating the combination ultraviolet-C radiation pasteurization reduce number microbes while prioritizing quality safety. ultraviolet...